/*********************************************************************************************************
 *  ------------------------------------------------------------------------------------------------------
 *  file description
 *  ------------------------------------------------------------------------------------------------------
 *         \file  crc.c
 *         \unit  crc
 *        \brief  This is a C language version of commonly used crc algorithms
 *       \author  Lamdonn
 *      \version  v1.0.0
 *      \license  GPL-2.0
 *    \copyright  Copyright (C) 2023 Lamdonn.
 ********************************************************************************************************/
#include "crc.h"

#if CRC_OPT_EN
/* CRC algorithm customization options define */
typedef struct
{
    /**< The width of data validation can range from 1 to 32 */
    unsigned char width;

    /**< Flag for reversing input data */
    unsigned char refin;

    /**< Flag for reversing output data */
    unsigned char refout;

    /**< Calculating polynomials, the effective width must be consistent with the width, and any excess parts will be invalid */
    unsigned int poly;

    /**< Calculated initial value */
    unsigned int init;

    /**< Result XOR output value */
    unsigned int xorout;
} crcOptType;
#if 0
static unsigned char rf8(unsigned char data)
{
    unsigned char xor = 0;
    unsigned char i = 4;
    while (i--)
    {
        xor |= ((data >> ((i << 1) + 1)) ^ data) & (1 << (3 - i));
        xor |= ((xor << ((i << 1) + 1)) & (1 << (4 + i)));
    }
    return xor ^ data;
}

static unsigned short int rf16(unsigned short int data)
{
    unsigned short int xor = 0;
    unsigned short int i = 8;
    while (i--)
    {
        xor |= ((data >> ((i << 1) + 1)) ^ data) & (1 << (7 - i));
        xor |= ((xor << ((i << 1) + 1)) & (1 << (8 + i)));
    }
    return xor ^ data;
}
#endif
static unsigned int rf32(unsigned int data)
{
    unsigned int xor = 0;
    unsigned int i = 16;
    while (i--)
    {
        xor |= ((data >> ((i << 1) + 1)) ^ data) & (1 << (15 - i));
        xor |= ((xor << ((i << 1) + 1)) & (1 << (16 + i)));
    }
    return xor ^ data;
}

const static crcOptType crcParaModelTable[CRC_MAX] = {
/*      width   refin   refout  poly            init            xorout              name                 */
/*-------------------------------------------------------------------------------------------------------*/
    {   4,      1,      1,      0x03,           0x00,           0x00        }, /*|  CRC-4/ITU           |*/
    {   5,      0,      0,      0x09,           0x09,           0x00        }, /*|  CRC-5/EPC           |*/
    {   5,      1,      1,      0x15,           0x00,           0x00        }, /*|  CRC-5/ITU           |*/
    {   5,      1,      1,      0x05,           0x1F,           0x1F        }, /*|  CRC-5/USB           |*/
    {   6,      1,      1,      0x03,           0x00,           0x00        }, /*|  CRC-6/ITU           |*/
    {   7,      0,      0,      0x09,           0x00,           0x00        }, /*|  CRC-7/MMC           |*/
    {   8,      0,      0,      0x07,           0x00,           0x00        }, /*|  CRC-8               |*/
    {   8,      0,      0,      0x07,           0x00,           0x55        }, /*|  CRC-8/ITU           |*/
    {   8,      1,      1,      0x07,           0xFF,           0x00        }, /*|  CRC-8/ROHC          |*/
    {   8,      1,      1,      0x31,           0x00,           0x00        }, /*|  CRC-8/MAXIM         |*/
    {   16,     1,      1,      0x8005,         0x0000,         0x0000      }, /*|  CRC-16/IBM          |*/
    {   16,     1,      1,      0x8005,         0x0000,         0xFFFF      }, /*|  CRC-16/MAXIM        |*/
    {   16,     1,      1,      0x8005,         0xFFFF,         0xFFFF      }, /*|  CRC-16/USB          |*/
    {   16,     1,      1,      0x8005,         0xFFFF,         0x0000      }, /*|  CRC-16/MODBUS       |*/
    {   16,     1,      1,      0x1021,         0x0000,         0x0000      }, /*|  CRC-16/CCITT        |*/
    {   16,     0,      0,      0x1021,         0xFFFF,         0x0000      }, /*|  CRC-16/CCITT-FALSE  |*/
    {   16,     1,      1,      0x1021,         0xFFFF,         0xFFFF      }, /*|  CRC-16/X25          |*/
    {   16,     0,      0,      0x1021,         0x0000,         0x0000      }, /*|  CRC-16/XMODEM       |*/
    {   16,     1,      1,      0x3D65,         0x0000,         0xFFFF      }, /*|  CRC-16/DNP          |*/
    {   32,     1,      1,      0x04C11DB7,     0xFFFFFFFF,     0xFFFFFFFF  }, /*|  CRC-32              |*/
    {   32,     0,      0,      0x04C11DB7,     0xFFFFFFFF,     0x00000000  }, /*|CRC-32/MPEG-2         |*/
};

/**
 *  \brief the general crc algorithm
 *  \param[in] data: data address
 *  \param[in] len: length of data
 *  \param[in] opt: crc algorithm customization options
 *  \return crc code
 */
unsigned int crc(const  unsigned char* data, unsigned int len, E_CRC_OPT type)
{
    if(type>=CRC_MAX)
        return 0;
    unsigned char i;
    unsigned int crc;
    unsigned int poly;
    const crcOptType * const opt = &crcParaModelTable[type];

    if (!data) return 0;
    if (!opt) return 0;
    if (opt->width == 0 || opt->width > 32) return 0;

    crc = opt->init;
    poly = opt->poly;

    if (opt->refin)
    {
        poly = rf32(poly) >> (32 - opt->width);
        crc = rf32(crc) >> (32 - opt->width);
        while (len--)
        {
            crc ^= *data++;
            for (i = 0; i < 8; i++)
            {
                if (crc & 0x1) crc = (crc >> 1) ^ poly;
                else crc >>= 1;
            }
        }
        if (!opt->refout)
        {
            crc = rf32(crc);
            crc >>= (32 - opt->width);
        }
    }
    else
    {
        crc <<= (32 - opt->width);
        poly <<= (32 - opt->width);
        while (len--)
        {
            crc ^= (unsigned int)(*data++) << 24;
            for (i = 0; i < 8; i++)
            {
                if (crc & 0x80000000) crc = (crc << 1) ^ poly;
                else crc <<= 1;
            }
        }
        if (opt->refout) crc = rf32(crc);
        else crc >>= (32 - opt->width);
    }
    crc ^= opt->xorout;
    return crc;
}
#endif
#if CRC_STD_EN
/**
 *  \brief crc4_itu.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned char crc4_itu(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned char crc = 0;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1) crc = (crc >> 1) ^ 0x0C; /* 0x0C = (reflect 0x03) >> (8 - 4) */
            else crc = (crc >> 1);
        }
    }
    return crc;
}

/**
 *  \brief crc5_epc.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned char crc5_epc(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned char crc = 0x48; /* 0x48 = 0x09 << (8 - 5) */
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 0x80) crc = (crc << 1) ^ 0x48; /* 0x48 = 0x09 << (8 - 5) */
            else crc <<= 1;
        }
    }
    return crc >> 3;
}

/**
 *  \brief crc5_itu.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned char crc5_itu(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned char crc = 0;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1) crc = (crc >> 1) ^ 0x15; /* 0x15 = (reflect 0x15) >> (8 - 5) */
            else crc = (crc >> 1);
        }
    }
    return crc;
}

/**
 *  \brief crc5_usb.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned char crc5_usb(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned char crc = 0x1F;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1) crc = (crc >> 1) ^ 0x14; /* 0x14 = (reflect 0x05) >> (8 - 5) */
            else crc = (crc >> 1);
        }
    }
    return crc ^ 0x1F;
}

/**
 *  \brief crc6_itu.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned char crc6_itu(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned char crc = 0;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1) crc = (crc >> 1) ^ 0x30;/* 0x30 = (reflect 0x03) >> (8 - 6) */
            else crc = (crc >> 1);
        }
    }
    return crc;
}

/**
 *  \brief crc7_mmc.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned char crc7_mmc(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned char crc = 0;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 0x80) crc = (crc << 1) ^ 0x12; /* 0x12 = 0x09 << (8 - 7) */
            else crc <<= 1;
        }
    }
    return crc >> 1;
}

/**
 *  \brief crc8.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned char crc8(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned char crc = 0;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 0x80) crc = (crc << 1) ^ 0x07;
            else crc <<= 1;
        }
    }
    return crc;
}

/**
 *  \brief crc8_itu.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned char crc8_itu(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned char crc = 0;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 0x80) crc = (crc << 1) ^ 0x07;
            else crc <<= 1;
        }
    }
    return crc ^ 0x55;
}

/**
 *  \brief crc8_rohc.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned char crc8_rohc(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned char crc = 0xFF;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1)  crc = (crc >> 1) ^ 0xE0; /* 0xE0 = reflect 0x07 */
            else crc = (crc >> 1);
        }
    }
    return crc;
}

/**
 *  \brief crc8_maxim.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned char crc8_maxim(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned char crc = 0;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1) crc = (crc >> 1) ^ 0x8C; /* 0x8C = reflect 0x31 */
            else crc >>= 1;
        }
    }
    return crc;
}

/**
 *  \brief crc16_ibm.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned short int crc16_ibm(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned short int crc = 0;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1) crc = (crc >> 1) ^ 0xA001; /* 0xA001 = reflect 0x8005 */
            else crc = (crc >> 1);
        }
    }
    return crc;
}

/**
 *  \brief crc16_maxim.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned short int crc16_maxim(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned short int crc = 0;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1) crc = (crc >> 1) ^ 0xA001; /* 0xA001 = reflect 0x8005 */
            else crc = (crc >> 1);
        }
    }
    return crc ^ 0xFFFF;
}

/**
 *  \brief crc16_usb.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned short int crc16_usb(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned short int crc = 0xFFFF;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1) crc = (crc >> 1) ^ 0xA001; /* 0xA001 = reflect 0x8005 */
            else crc = (crc >> 1);
        }
    }
    return crc ^ 0xFFFF;
}

/**
 *  \brief crc16_modbus.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned short int crc16_modbus(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned short int crc = 0xFFFF;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1) crc = (crc >> 1) ^ 0xA001; /* 0xA001 = reflect 0x8005 */
            else crc = (crc >> 1);
        }
    }
    return crc;
}

/**
 *  \brief crc16_ccitt.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned short int crc16_ccitt(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned short int crc = 0;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1) crc = (crc >> 1) ^ 0x8408; /* 0x8408 = reflect 0x1021 */
            else crc = (crc >> 1);
        }
    }
    return crc;
}

/**
 *  \brief crc16_ccitt_false.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned short int crc16_ccitt_false(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned short int crc = 0xFFFF;
    while (len--)
    {
        crc ^= (unsigned short int)(*data++) << 8;
        for (i = 0; i < 8; i++)
        {
            if (crc & 0x8000) crc = (crc << 1) ^ 0x1021;
            else crc <<= 1;
        }
    }
    return crc;
}

/**
 *  \brief crc16_x25.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned short int crc16_x25(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned short int crc = 0xFFFF;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1) crc = (crc >> 1) ^ 0x8408; /* 0x8408 = reflect 0x1021 */
            else crc = (crc >> 1);
        }
    }
    return crc ^ 0xFFFF;
}

/**
 *  \brief crc16_xmodem.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned short int crc16_xmodem(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned short int crc = 0;
    while (len--)
    {
        crc ^= (unsigned short int)(*data++) << 8;
        for (i = 0; i < 8; i++)
        {
            if (crc & 0x8000) crc = (crc << 1) ^ 0x1021;
            else crc <<= 1;
        }
    }
    return crc;
}

/**
 *  \brief crc16_dnp.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned short int crc16_dnp(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned short int crc = 0;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1) crc = (crc >> 1) ^ 0xA6BC; /* 0xA6BC = reflect 0x3D65 */
            else crc = (crc >> 1);
        }
    }
    return crc ^ 0xFFFF;
}

/**
 *  \brief crc32.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned int crc32(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned int crc = 0xFFFFFFFF;
    while (len--)
    {
        crc ^= *data++;
        for (i = 0; i < 8; i++)
        {
            if (crc & 1) crc = (crc >> 1) ^ 0xEDB88320; /* 0xEDB88320 = reflect 0x04C11DB7 */
            else crc = (crc >> 1);
        }
    }
    return crc ^ 0xFFFFFFFF;
}

/**
 *  \brief crc32_mpeg_2.
 *  \param[in] data: address of data
 *  \param[in] len: length of data
 *  \return check value
 */
unsigned int crc32_mpeg_2(const  unsigned char* data, unsigned int len)
{
    unsigned char i;
    unsigned int crc = 0xFFFFFFFF;
    while (len--)
    {
        crc ^= (unsigned int)(*data++) << 24;
        for (i = 0; i < 8; i++)
        {
            if (crc & 0x80000000) crc = (crc << 1) ^ 0x04C11DB7;
            else crc <<= 1;
        }
    }
    return crc;
}
#endif

#if CRC_TAB_EN
const static unsigned char crc8_poly0x07_ref0[256] =
{
	0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15, 0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D,
	0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65, 0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D,
	0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5, 0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD,
	0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85, 0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD,
	0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2, 0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA,
	0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2, 0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A,
	0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32, 0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A,
	0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42, 0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A,
	0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C, 0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4,
	0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC, 0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4,
	0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C, 0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44,
	0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C, 0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34,
	0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B, 0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63,
	0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B, 0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13,
	0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB, 0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83,
	0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB, 0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3,
};

const static unsigned char crc8_poly0x07_ref1[256] =
{
	0x00, 0x91, 0xE3, 0x72, 0x07, 0x96, 0xE4, 0x75, 0x0E, 0x9F, 0xED, 0x7C, 0x09, 0x98, 0xEA, 0x7B,
	0x1C, 0x8D, 0xFF, 0x6E, 0x1B, 0x8A, 0xF8, 0x69, 0x12, 0x83, 0xF1, 0x60, 0x15, 0x84, 0xF6, 0x67,
	0x38, 0xA9, 0xDB, 0x4A, 0x3F, 0xAE, 0xDC, 0x4D, 0x36, 0xA7, 0xD5, 0x44, 0x31, 0xA0, 0xD2, 0x43,
	0x24, 0xB5, 0xC7, 0x56, 0x23, 0xB2, 0xC0, 0x51, 0x2A, 0xBB, 0xC9, 0x58, 0x2D, 0xBC, 0xCE, 0x5F,
	0x70, 0xE1, 0x93, 0x02, 0x77, 0xE6, 0x94, 0x05, 0x7E, 0xEF, 0x9D, 0x0C, 0x79, 0xE8, 0x9A, 0x0B,
	0x6C, 0xFD, 0x8F, 0x1E, 0x6B, 0xFA, 0x88, 0x19, 0x62, 0xF3, 0x81, 0x10, 0x65, 0xF4, 0x86, 0x17,
	0x48, 0xD9, 0xAB, 0x3A, 0x4F, 0xDE, 0xAC, 0x3D, 0x46, 0xD7, 0xA5, 0x34, 0x41, 0xD0, 0xA2, 0x33,
	0x54, 0xC5, 0xB7, 0x26, 0x53, 0xC2, 0xB0, 0x21, 0x5A, 0xCB, 0xB9, 0x28, 0x5D, 0xCC, 0xBE, 0x2F,
	0xE0, 0x71, 0x03, 0x92, 0xE7, 0x76, 0x04, 0x95, 0xEE, 0x7F, 0x0D, 0x9C, 0xE9, 0x78, 0x0A, 0x9B,
	0xFC, 0x6D, 0x1F, 0x8E, 0xFB, 0x6A, 0x18, 0x89, 0xF2, 0x63, 0x11, 0x80, 0xF5, 0x64, 0x16, 0x87,
	0xD8, 0x49, 0x3B, 0xAA, 0xDF, 0x4E, 0x3C, 0xAD, 0xD6, 0x47, 0x35, 0xA4, 0xD1, 0x40, 0x32, 0xA3,
	0xC4, 0x55, 0x27, 0xB6, 0xC3, 0x52, 0x20, 0xB1, 0xCA, 0x5B, 0x29, 0xB8, 0xCD, 0x5C, 0x2E, 0xBF,
	0x90, 0x01, 0x73, 0xE2, 0x97, 0x06, 0x74, 0xE5, 0x9E, 0x0F, 0x7D, 0xEC, 0x99, 0x08, 0x7A, 0xEB,
	0x8C, 0x1D, 0x6F, 0xFE, 0x8B, 0x1A, 0x68, 0xF9, 0x82, 0x13, 0x61, 0xF0, 0x85, 0x14, 0x66, 0xF7,
	0xA8, 0x39, 0x4B, 0xDA, 0xAF, 0x3E, 0x4C, 0xDD, 0xA6, 0x37, 0x45, 0xD4, 0xA1, 0x30, 0x42, 0xD3,
	0xB4, 0x25, 0x57, 0xC6, 0xB3, 0x22, 0x50, 0xC1, 0xBA, 0x2B, 0x59, 0xC8, 0xBD, 0x2C, 0x5E, 0xCF,
};

const static unsigned char crc8_poly0x31_ref1[256] =
{
	0x00, 0x5E, 0xBC, 0xE2, 0x61, 0x3F, 0xDD, 0x83, 0xC2, 0x9C, 0x7E, 0x20, 0xA3, 0xFD, 0x1F, 0x41,
	0x9D, 0xC3, 0x21, 0x7F, 0xFC, 0xA2, 0x40, 0x1E, 0x5F, 0x01, 0xE3, 0xBD, 0x3E, 0x60, 0x82, 0xDC,
	0x23, 0x7D, 0x9F, 0xC1, 0x42, 0x1C, 0xFE, 0xA0, 0xE1, 0xBF, 0x5D, 0x03, 0x80, 0xDE, 0x3C, 0x62,
	0xBE, 0xE0, 0x02, 0x5C, 0xDF, 0x81, 0x63, 0x3D, 0x7C, 0x22, 0xC0, 0x9E, 0x1D, 0x43, 0xA1, 0xFF,
	0x46, 0x18, 0xFA, 0xA4, 0x27, 0x79, 0x9B, 0xC5, 0x84, 0xDA, 0x38, 0x66, 0xE5, 0xBB, 0x59, 0x07,
	0xDB, 0x85, 0x67, 0x39, 0xBA, 0xE4, 0x06, 0x58, 0x19, 0x47, 0xA5, 0xFB, 0x78, 0x26, 0xC4, 0x9A,
	0x65, 0x3B, 0xD9, 0x87, 0x04, 0x5A, 0xB8, 0xE6, 0xA7, 0xF9, 0x1B, 0x45, 0xC6, 0x98, 0x7A, 0x24,
	0xF8, 0xA6, 0x44, 0x1A, 0x99, 0xC7, 0x25, 0x7B, 0x3A, 0x64, 0x86, 0xD8, 0x5B, 0x05, 0xE7, 0xB9,
	0x8C, 0xD2, 0x30, 0x6E, 0xED, 0xB3, 0x51, 0x0F, 0x4E, 0x10, 0xF2, 0xAC, 0x2F, 0x71, 0x93, 0xCD,
	0x11, 0x4F, 0xAD, 0xF3, 0x70, 0x2E, 0xCC, 0x92, 0xD3, 0x8D, 0x6F, 0x31, 0xB2, 0xEC, 0x0E, 0x50,
	0xAF, 0xF1, 0x13, 0x4D, 0xCE, 0x90, 0x72, 0x2C, 0x6D, 0x33, 0xD1, 0x8F, 0x0C, 0x52, 0xB0, 0xEE,
	0x32, 0x6C, 0x8E, 0xD0, 0x53, 0x0D, 0xEF, 0xB1, 0xF0, 0xAE, 0x4C, 0x12, 0x91, 0xCF, 0x2D, 0x73,
	0xCA, 0x94, 0x76, 0x28, 0xAB, 0xF5, 0x17, 0x49, 0x08, 0x56, 0xB4, 0xEA, 0x69, 0x37, 0xD5, 0x8B,
	0x57, 0x09, 0xEB, 0xB5, 0x36, 0x68, 0x8A, 0xD4, 0x95, 0xCB, 0x29, 0x77, 0xF4, 0xAA, 0x48, 0x16,
	0xE9, 0xB7, 0x55, 0x0B, 0x88, 0xD6, 0x34, 0x6A, 0x2B, 0x75, 0x97, 0xC9, 0x4A, 0x14, 0xF6, 0xA8,
	0x74, 0x2A, 0xC8, 0x96, 0x15, 0x4B, 0xA9, 0xF7, 0xB6, 0xE8, 0x0A, 0x54, 0xD7, 0x89, 0x6B, 0x35,
};


const static unsigned short int crc16_poly0x8005_ref0[256] =
{
	0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241, 0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
	0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40, 0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
	0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40, 0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
	0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641, 0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
	0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240, 0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
	0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41, 0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
	0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41, 0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
	0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640, 0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
	0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240, 0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
	0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41, 0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
	0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41, 0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
	0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640, 0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
	0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241, 0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
	0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40, 0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
	0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40, 0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
	0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641, 0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040,
};

const static unsigned short int crc16_poly0x1021_ref0[256] =
{
	0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7, 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
	0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6, 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
	0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485, 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
	0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4, 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
	0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823, 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
	0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12, 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
	0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41, 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
	0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70, 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
	0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F, 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
	0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E, 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
	0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D, 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
	0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C, 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
	0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB, 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
	0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A, 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
	0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
	0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8, 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0,
};

const static unsigned short int crc16_poly0x1021_ref1[256] =
{
	0x0000, 0x1189, 0x2312, 0x329B, 0x4624, 0x57AD, 0x6536, 0x74BF, 0x8C48, 0x9DC1, 0xAF5A, 0xBED3, 0xCA6C, 0xDBE5, 0xE97E, 0xF8F7,
	0x1081, 0x0108, 0x3393, 0x221A, 0x56A5, 0x472C, 0x75B7, 0x643E, 0x9CC9, 0x8D40, 0xBFDB, 0xAE52, 0xDAED, 0xCB64, 0xF9FF, 0xE876,
	0x2102, 0x308B, 0x0210, 0x1399, 0x6726, 0x76AF, 0x4434, 0x55BD, 0xAD4A, 0xBCC3, 0x8E58, 0x9FD1, 0xEB6E, 0xFAE7, 0xC87C, 0xD9F5,
	0x3183, 0x200A, 0x1291, 0x0318, 0x77A7, 0x662E, 0x54B5, 0x453C, 0xBDCB, 0xAC42, 0x9ED9, 0x8F50, 0xFBEF, 0xEA66, 0xD8FD, 0xC974,
	0x4204, 0x538D, 0x6116, 0x709F, 0x0420, 0x15A9, 0x2732, 0x36BB, 0xCE4C, 0xDFC5, 0xED5E, 0xFCD7, 0x8868, 0x99E1, 0xAB7A, 0xBAF3,
	0x5285, 0x430C, 0x7197, 0x601E, 0x14A1, 0x0528, 0x37B3, 0x263A, 0xDECD, 0xCF44, 0xFDDF, 0xEC56, 0x98E9, 0x8960, 0xBBFB, 0xAA72,
	0x6306, 0x728F, 0x4014, 0x519D, 0x2522, 0x34AB, 0x0630, 0x17B9, 0xEF4E, 0xFEC7, 0xCC5C, 0xDDD5, 0xA96A, 0xB8E3, 0x8A78, 0x9BF1,
	0x7387, 0x620E, 0x5095, 0x411C, 0x35A3, 0x242A, 0x16B1, 0x0738, 0xFFCF, 0xEE46, 0xDCDD, 0xCD54, 0xB9EB, 0xA862, 0x9AF9, 0x8B70,
	0x8408, 0x9581, 0xA71A, 0xB693, 0xC22C, 0xD3A5, 0xE13E, 0xF0B7, 0x0840, 0x19C9, 0x2B52, 0x3ADB, 0x4E64, 0x5FED, 0x6D76, 0x7CFF,
	0x9489, 0x8500, 0xB79B, 0xA612, 0xD2AD, 0xC324, 0xF1BF, 0xE036, 0x18C1, 0x0948, 0x3BD3, 0x2A5A, 0x5EE5, 0x4F6C, 0x7DF7, 0x6C7E,
	0xA50A, 0xB483, 0x8618, 0x9791, 0xE32E, 0xF2A7, 0xC03C, 0xD1B5, 0x2942, 0x38CB, 0x0A50, 0x1BD9, 0x6F66, 0x7EEF, 0x4C74, 0x5DFD,
	0xB58B, 0xA402, 0x9699, 0x8710, 0xF3AF, 0xE226, 0xD0BD, 0xC134, 0x39C3, 0x284A, 0x1AD1, 0x0B58, 0x7FE7, 0x6E6E, 0x5CF5, 0x4D7C,
	0xC60C, 0xD785, 0xE51E, 0xF497, 0x8028, 0x91A1, 0xA33A, 0xB2B3, 0x4A44, 0x5BCD, 0x6956, 0x78DF, 0x0C60, 0x1DE9, 0x2F72, 0x3EFB,
	0xD68D, 0xC704, 0xF59F, 0xE416, 0x90A9, 0x8120, 0xB3BB, 0xA232, 0x5AC5, 0x4B4C, 0x79D7, 0x685E, 0x1CE1, 0x0D68, 0x3FF3, 0x2E7A,
	0xE70E, 0xF687, 0xC41C, 0xD595, 0xA12A, 0xB0A3, 0x8238, 0x93B1, 0x6B46, 0x7ACF, 0x4854, 0x59DD, 0x2D62, 0x3CEB, 0x0E70, 0x1FF9,
	0xF78F, 0xE606, 0xD49D, 0xC514, 0xB1AB, 0xA022, 0x92B9, 0x8330, 0x7BC7, 0x6A4E, 0x58D5, 0x495C, 0x3DE3, 0x2C6A, 0x1EF1, 0x0F78,
};

const static unsigned int crc32_poly0x4C11DB7_ref0[256] =
{
	0x00000000, 0x04C11DB7, 0x09823B6E, 0x0D4326D9, 0x130476DC, 0x17C56B6B, 0x1A864DB2, 0x1E475005, 0x2608EDB8, 0x22C9F00F, 0x2F8AD6D6, 0x2B4BCB61, 0x350C9B64, 0x31CD86D3, 0x3C8EA00A, 0x384FBDBD,
	0x4C11DB70, 0x48D0C6C7, 0x4593E01E, 0x4152FDA9, 0x5F15ADAC, 0x5BD4B01B, 0x569796C2, 0x52568B75, 0x6A1936C8, 0x6ED82B7F, 0x639B0DA6, 0x675A1011, 0x791D4014, 0x7DDC5DA3, 0x709F7B7A, 0x745E66CD,
	0x9823B6E0, 0x9CE2AB57, 0x91A18D8E, 0x95609039, 0x8B27C03C, 0x8FE6DD8B, 0x82A5FB52, 0x8664E6E5, 0xBE2B5B58, 0xBAEA46EF, 0xB7A96036, 0xB3687D81, 0xAD2F2D84, 0xA9EE3033, 0xA4AD16EA, 0xA06C0B5D,
	0xD4326D90, 0xD0F37027, 0xDDB056FE, 0xD9714B49, 0xC7361B4C, 0xC3F706FB, 0xCEB42022, 0xCA753D95, 0xF23A8028, 0xF6FB9D9F, 0xFBB8BB46, 0xFF79A6F1, 0xE13EF6F4, 0xE5FFEB43, 0xE8BCCD9A, 0xEC7DD02D,
	0x34867077, 0x30476DC0, 0x3D044B19, 0x39C556AE, 0x278206AB, 0x23431B1C, 0x2E003DC5, 0x2AC12072, 0x128E9DCF, 0x164F8078, 0x1B0CA6A1, 0x1FCDBB16, 0x018AEB13, 0x054BF6A4, 0x0808D07D, 0x0CC9CDCA,
	0x7897AB07, 0x7C56B6B0, 0x71159069, 0x75D48DDE, 0x6B93DDDB, 0x6F52C06C, 0x6211E6B5, 0x66D0FB02, 0x5E9F46BF, 0x5A5E5B08, 0x571D7DD1, 0x53DC6066, 0x4D9B3063, 0x495A2DD4, 0x44190B0D, 0x40D816BA,
	0xACA5C697, 0xA864DB20, 0xA527FDF9, 0xA1E6E04E, 0xBFA1B04B, 0xBB60ADFC, 0xB6238B25, 0xB2E29692, 0x8AAD2B2F, 0x8E6C3698, 0x832F1041, 0x87EE0DF6, 0x99A95DF3, 0x9D684044, 0x902B669D, 0x94EA7B2A,
	0xE0B41DE7, 0xE4750050, 0xE9362689, 0xEDF73B3E, 0xF3B06B3B, 0xF771768C, 0xFA325055, 0xFEF34DE2, 0xC6BCF05F, 0xC27DEDE8, 0xCF3ECB31, 0xCBFFD686, 0xD5B88683, 0xD1799B34, 0xDC3ABDED, 0xD8FBA05A,
	0x690CE0EE, 0x6DCDFD59, 0x608EDB80, 0x644FC637, 0x7A089632, 0x7EC98B85, 0x738AAD5C, 0x774BB0EB, 0x4F040D56, 0x4BC510E1, 0x46863638, 0x42472B8F, 0x5C007B8A, 0x58C1663D, 0x558240E4, 0x51435D53,
	0x251D3B9E, 0x21DC2629, 0x2C9F00F0, 0x285E1D47, 0x36194D42, 0x32D850F5, 0x3F9B762C, 0x3B5A6B9B, 0x0315D626, 0x07D4CB91, 0x0A97ED48, 0x0E56F0FF, 0x1011A0FA, 0x14D0BD4D, 0x19939B94, 0x1D528623,
	0xF12F560E, 0xF5EE4BB9, 0xF8AD6D60, 0xFC6C70D7, 0xE22B20D2, 0xE6EA3D65, 0xEBA91BBC, 0xEF68060B, 0xD727BBB6, 0xD3E6A601, 0xDEA580D8, 0xDA649D6F, 0xC423CD6A, 0xC0E2D0DD, 0xCDA1F604, 0xC960EBB3,
	0xBD3E8D7E, 0xB9FF90C9, 0xB4BCB610, 0xB07DABA7, 0xAE3AFBA2, 0xAAFBE615, 0xA7B8C0CC, 0xA379DD7B, 0x9B3660C6, 0x9FF77D71, 0x92B45BA8, 0x9675461F, 0x8832161A, 0x8CF30BAD, 0x81B02D74, 0x857130C3,
	0x5D8A9099, 0x594B8D2E, 0x5408ABF7, 0x50C9B640, 0x4E8EE645, 0x4A4FFBF2, 0x470CDD2B, 0x43CDC09C, 0x7B827D21, 0x7F436096, 0x7200464F, 0x76C15BF8, 0x68860BFD, 0x6C47164A, 0x61043093, 0x65C52D24,
	0x119B4BE9, 0x155A565E, 0x18197087, 0x1CD86D30, 0x029F3D35, 0x065E2082, 0x0B1D065B, 0x0FDC1BEC, 0x3793A651, 0x3352BBE6, 0x3E119D3F, 0x3AD08088, 0x2497D08D, 0x2056CD3A, 0x2D15EBE3, 0x29D4F654,
	0xC5A92679, 0xC1683BCE, 0xCC2B1D17, 0xC8EA00A0, 0xD6AD50A5, 0xD26C4D12, 0xDF2F6BCB, 0xDBEE767C, 0xE3A1CBC1, 0xE760D676, 0xEA23F0AF, 0xEEE2ED18, 0xF0A5BD1D, 0xF464A0AA, 0xF9278673, 0xFDE69BC4,
	0x89B8FD09, 0x8D79E0BE, 0x803AC667, 0x84FBDBD0, 0x9ABC8BD5, 0x9E7D9662, 0x933EB0BB, 0x97FFAD0C, 0xAFB010B1, 0xAB710D06, 0xA6322BDF, 0xA2F33668, 0xBCB4666D, 0xB8757BDA, 0xB5365D03, 0xB1F740B4,
};

const static unsigned int crc32_poly0x4C11DB7_ref1[256] =
{
	0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
	0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
	0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
	0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
	0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
	0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
	0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
	0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
	0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
	0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
	0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
	0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
	0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
	0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
	0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
	0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D,
};

//Name:    CRC-8
//Poly:    0x07	x8+x2+x+1
//Init:    0x00
//Refin:   False
//Refout:  False
//Xorout:  0x00
unsigned char crc8_tab(const unsigned char* data, unsigned int length)
{
	unsigned char crc = 0x00;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = crc8_poly0x07_ref0[crc^*data];
		data++;
	}

	return crc;
}

//Name:    CRC-8/ITU
//Poly:    0x07	x8+x2+x+1
//Init:    0x00
//Refin:   False
//Refout:  False
//Xorout:  0x55
unsigned char crc8_tab_itu(const unsigned char* data, unsigned int length)
{
	unsigned char crc = 0x00;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = crc8_poly0x07_ref0[crc^*data];
		data++;
	}
	crc = crc^0x55;

	return crc;
}

//Name:    CRC-8/ROHC
//Poly:    0x07 x8+x2+x+1
//Init:    0xFF
//Refin:   True
//Refout:  True
//Xorout:  0x00
unsigned char crc8_tab_rohc(const unsigned char* data, unsigned int length)
{
	unsigned char crc = 0xFF;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = crc8_poly0x07_ref1[crc^*data];
		data++;
	}

	return crc;
}

//Name:    CRC-8/MAXIM
//Poly:    0x31 x8+x5+x4+1
//Init:    0x00
//Refin:   True
//Refout:  True
//Xorout:  0x00
unsigned char crc8_tab_maxim(const unsigned char* data, unsigned int length)
{
	unsigned char crc = 0x00;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = crc8_poly0x31_ref1[crc^*data];
		data++;
	}

	return crc;
}

//Name:    CRC-16/IBM
//Poly:    0x8005 x16+x15+x2+1
//Init:    0x0000
//Refin:   True
//Refout:  True
//Xorout:  0x0000
unsigned short int crc16_tab_ibm(const unsigned char* data, unsigned int length)
{
	unsigned short int crc = 0x0000;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = (crc>>8)^crc16_poly0x8005_ref0[crc&0xFF^*data];
		data++;
	}

	return crc;
}

//Name:    CRC-16/MAXIM
//Poly:    0x8005 x16+x15+x2+1
//Init:    0x0000
//Refin:   True
//Refout:  True
//Xorout:  0xFFFF
unsigned short int crc16_tab_maxim(const unsigned char* data, unsigned int length)
{
	unsigned short int crc = 0x0000;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = (crc>>8)^crc16_poly0x8005_ref0[crc&0xFF^*data];
		data++;
	}
	crc = crc^0xFFFF;

	return crc;
}

//Name:    CRC-16/USB
//Poly:    0x8005 x16+x15+x2+1
//Init:    0xFFFF
//Refin:   True
//Refout:  True
//Xorout:  0xFFFF
unsigned short int crc16_tab_usb(const unsigned char* data, unsigned int length)
{
	unsigned short int crc = 0xFFFF;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = (crc>>8)^crc16_poly0x8005_ref0[crc&0xFF^*data];
		data++;
	}
	crc = crc^0xFFFF;

	return crc;
}

//Name:    CRC-16/MODBUS
//Poly:    0x8005 x16+x15+x2+1
//Init:    0xFFFF
//Refin:   True
//Refout:  True
//Xorout:  0x0000
unsigned short int crc16_tab_modbus(const unsigned char* data, unsigned int length)
{
	unsigned short int crc = 0xFFFF;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = (crc>>8)^crc16_poly0x8005_ref0[crc&0xFF^*data];
		data++;
	}

	return crc;
}

//Name:    CRC-16/CCITT
//Poly:    0x1021 x16+x12+x5+1
//Init:    0x0000
//Refin:   True
//Refout:  True
//Xorout:  0x0000
unsigned short int crc16_tab_ccitt(const unsigned char* data, unsigned int length)
{
	unsigned short int crc = 0x0000;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = (crc>>8)^crc16_poly0x1021_ref1[crc&0xFF^*data];
		data++;
	}

	return crc;
}

//Name:    CRC-16/CCITT-FALSE
//Poly:    0x1021 x16+x12+x5+1
//Init:    0xFFFF
//Refin:   False
//Refout:  False
//Xorout:  0x0000
unsigned short int crc16_tab_ccitt_false(const unsigned char* data, unsigned int length)
{
	unsigned short int crc = 0xFFFF;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = (crc<<8)^crc16_poly0x1021_ref0[(crc>>8)^*data];
		data++;
	}

	return crc;
}

//Name:    CRC-16/X25
//Poly:    0x1021  x16+x12+x5+1
//Init:    0xFFFF
//Refin:   True
//Refout:  True
//Xorout:  0XFFFF
unsigned short int crc16_tab_x25(const unsigned char* data, unsigned int length)
{
	unsigned short int crc = 0xFFFF;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = (crc>>8)^crc16_poly0x1021_ref1[crc&0xFF^*data];
		data++;
	}
	crc = crc^0xFFFF;

	return crc;
}

//Name:    CRC-16/XMODEM
//Poly:    0x1021 x16+x12+x5+1
//Init:    0x0000
//Refin:   False
//Refout:  False
//Xorout:  0x0000
unsigned short int crc16_tab_xmodem(const unsigned char* data, unsigned int length)
{
	unsigned short int crc = 0x0000;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = (crc<<8)^crc16_poly0x1021_ref0[(crc>>8)^*data];
		data++;
	}

	return crc;
}

//Name:    CRC-32
//Poly:    0x04C11DB7 x32+x26+x23+x22+x16+x12+x11+x10+x8+x7+x5+x4+x2+x+1
//Init:    0xFFFFFFFF
//Refin:   True
//Refout:  True
//Xorout:  0xFFFFFFFF
unsigned int crc32_tab(const unsigned char* data, unsigned int length)
{
	unsigned int crc = 0xFFFFFFFF;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = (crc>>8)^crc32_poly0x4C11DB7_ref1[crc&0xFF^*data];
		data++;
	}
	crc = crc^0xFFFFFFFF;

	return crc;
}

//Name:    CRC-32/MPEG-2
//Poly:    0x04C11DB7 x32+x26+x23+x22+x16+x12+x11+x10+x8+x7+x5+x4+x2+x+1
//Init:    0xFFFFFFFF
//Refin:   False
//Refout:  False
//Xorout:  0x00000000
unsigned int crc32_tab_mpeg_2(const unsigned char *data, unsigned int length)
{
	unsigned int crc = 0xFFFFFFFF;
	unsigned int i;

	for(i=0; i<length; i++)
	{
		crc = (crc<<8)^crc32_poly0x4C11DB7_ref0[(crc>>24)^*data];
		data++;
	}

	return crc;
}
#endif
#if 0
#include "cpu.h"
unsigned int crc_value[32];
int main(void)
{
    #define DATA_SIZE 256
    unsigned char data_test[DATA_SIZE];
    int len=0;
    for(int i=0; i<DATA_SIZE; i++)
        data_test[i]=i;
    crc_value[len++]= crc32(data_test,DATA_SIZE);
    crc_value[len++]= crc32_mpeg_2(data_test,DATA_SIZE);

    crc_value[len++]=crc(data_test,DATA_SIZE,CRC32_MPEG_2);

    crc_value[len++]=crc32_tab_mpeg_2(data_test,DATA_SIZE);

    for(int i=0 ;i<DATA_SIZE; i+=4)
    {
        data_test[i]=i+3;        data_test[i+1]=i+2;
        data_test[i+2]=i+1;      data_test[i+3]=i;
    }
    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_CRC, ENABLE);
    CRC_ResetDR();
	crc_value[len++] = CRC_CalcBlockCRC((unsigned int*)data_test,DATA_SIZE>>2);
    while(1);
}
#endif


